Free-to-play web games are a worldwide phenomenon. Accessible to anyone with an internet connection, online games entertain while bringing people together. Many of these fascinating, addictive titles let players communicate in-game via text or audio chat. A new era of gaming is here. In addition to passing time and relieving stress, certain online games have been linked to enhanced brain development. Here are five of the best online games to play when you are bored:

#1. warmax.io

Wormax.io is an eat-or-be-eaten multiplayer game. Strongly inspired by Slither.io, Wormax.io improves upon its predecessor in several big ways. Acceleration, Stop, and Ghost are three unlockable skills that make the gameplay much more dynamic and competitive. At any point during the game, players can slither over a multitude of boosters for extra health, vision, and magnetic abilities. Wormax.io also has excellent replay value, thanks to its unique “Artifact” currency and league system.

#2. Funky Truck

Funky Truck turns off-road driving into an arcade sport. This single-player racing game features delightfully cartoonish graphics and over-the-top physics. Players can bounce, flip, and even fly in their monster trucks. With limited time on the clock, driving at high speeds is a necessity. Funky Truck’s creatively designed levels are filled with towering hills, frightening valleys, and ramps galore. Guts, glory, and a passion for thrills are all it takes to win.

#3. Slither.io

Following in the successful footsteps of Agar.io, Slither.io is essentially multiplayer Snake for the 21st century. Players begin as small snakes, and they must eat food (i.e. little blobs on the map) to grow. Larger snakes have an easier time trapping smaller ones and making them disappear. When an enemy snake gets trapped, it will become food for others. The simplicity of Slither.io makes it a great choice for quick, fun multiplayer gaming when bored. Plus, a broad selection of neon-colored skins results in eye-catching, pleasing graphics.

#4. Sky Chasers

Max is a female pilot with a rocket-fueled cardboard box. If Sky Chasers looks familiar, that’s because it draws from the classic Lunar Lander. Players must operate a pair of thrusters to soar through magical worlds. The inventive levels in Sky Chasers hark back to the days of retro platformers, with bombastic traps, twisting tunnels, and larger-than-life enemies. By earning coins in each world, players can unlock more than two dozen new spaceships, all of which have very distinctive designs.

#5. Letterpress

Letterpress is the ultimate two-player word game. It’s a mixture of Scrabble, Boggle, and Risk. Driven by the official Merriam-Webster Dictionary, Letterpress challenges players to find as many words as possible on a 5×5 board. However, simply spelling words isn’t enough to win. There are many additional elements to the gameplay, including tile-stealing and board-coloring. Word sleuths can chat with each other and track their overall progress on Letterpress’s official leaderboards. As evident in this list, online games are available in a multitude of styles and genres. The best ones provide the perfect way to pass the time.